Apparatus for measuring the damping coefficient of torsional-vib

Details Apparatus for measuring the damping coefficient of torsional-vib Apparatus for measuring the damping coefficient of torsional-vib

1977-04-20

1979-09-04

Gill, James J.

Measuring and testing

Testing of shock absorbing device

In situ vehicle suspension

G01M 1300

Patent

active

041663772

ABSTRACT:
Measuring apparatus for quickly checking the damping coefficient of torsion-vibration dampers filled with a viscous liquid and being provided with a swing ring. The basic principle relates to the recognition that there is a well measurable, numerically characterizable relation between the damping coefficient of a damper of a given nominal geometry and the number of vibrations of the freely oscillating system. The apparatus comprises three main units, such as at least one torsional-vibrating system, at least one mechanism producing the free oscillation, and an electronic unit. Each unit is disclosed including optional as well as alternative detail solutions thereof.

REFERENCES:
patent: 1891613 (1932-12-01), Widney
patent: 3105381 (1963-10-01), Collette
patent: 3955400 (1976-05-01), Parker

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